a helium balloon is filled on the ground where the atmospheric pressure is 768 torr. the volume of the balloon is 8.00 m3. when the balloon reaches an altitude of 4200 m, its volume is found to be 16.8 m3. assuming that the temperature remains constant, what is the air pressure at 4200 m in torr?

‘all monkeys have tails’ is an absolute statement. t or f

Cricket team of india australia and pakistan participant in 20-20 match . find the probability that india wins .

Tortoise shells and snail shells are similar in function: they protect the organism from predators. based on a comparison of the organisms in the images, what can you conclude? 1. tortoises and snails have homologous organs, and they’re evolutionarily related. 2. tortoises and snails have homologous organs, and they belong to same species. 3. tortoises and snails have analogous organs, and they belong to the same species. 4. tortoises and snails have analogous organs, and they don’t belong to the same species. 5. tortoises and snails have analogous organs, and they aren’t evolutionarily related.